Home / 160,782,866.08-221,880,464.54-90,208,733.72

Finding the Fourth Proportional to 160,782,866.08, 221,880,464.54 and 90,208,733.72

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Solution

The fourth proportional to 160,782,866.08, 221,880,464.54 and 90,208,733.72 is: 124,488,113.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,782,866.08 : 221,880,464.54 = 90,208,733.72 : x
  2. Step 2: Convert to fraction form
    160,782,866.08/221,880,464.54 = 90,208,733.72/x
  3. Step 3: Cross multiply
    160,782,866.08x = 221,880,464.54 × 90,208,733.72
  4. Step 4: Simplify right side
    160,782,866.08x = 20,015,555,743,358,760
  5. Step 5: Solve for x
    x = 20,015,555,743,358,760/160,782,866.08
  6. Step 6: Final answer
    x = 124,488,113.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.